.div_block ul li{
    position: relative;
    overflow: hidden;
}
.div_block ul li .header{
    display: none;
    position:relative;
}
.add_bk{
    position:absolute;
    width: 90px;
    height: 90px;
    margin-left: -45px;
    margin-top: -45px;
    left: 50%;
    top: 50%;
    cursor: pointer;
    background: url(../../images/add_bk.png?v=1.0) no-repeat;
}
.modal_box .form_input{
    margin:0px auto;
}
.modal_box .form_input p{
    text-align: center;
    margin-right: 8px;
}
select{
    width: 280px;
}
.div_block ul li .nav_list{
    position:relative;
    overflow:hidden;
    display: block;
}
.div_block ul li .nav_list .delete{
    position:absolute;
    left: 0px;
    top: -240px;
    cursor: pointer;
    width: 100%;
    height:240px;
    background:#171414;
    opacity:0.4;
    filter:alpha(opacity: 40);
}
.div_block ul li .nav_list img{
    width: 100%;
    height:240px;
    cursor: pointer;
    display: block;
}
.div_block ul li .nav_list .dele_icon{
    width: 56px;
    height:58px;
    display: block;
    position:absolute;
    left: 50%;
    top: 50%;
    margin-left:-28px;
    margin-top:-29px;
    cursor: pointer;
    display: none;
}
.div_block ul li .nav_list .dele_icon i{
    width: 56px;
    height:58px;
    display: block;
    background:url(../../images/dele_bk.png?v=1.0) no-repeat;
}
.div_block ul li .nav_list .dele_icon span{
    position:absolute;
    top: 65px;
    left: -2px;
    color:#FFF;
    white-space: nowrap;
}
